The latest Windows 11 cumulative updates (24H2 and 25H2) released since July 2025
The latest Windows 11 cumulative updates (24H2 and 25H2) released since July 2025 have introduced a bug that can cause the Taskbar, Start Menu, and File Explorer to crash or fail to load, especially in enterprise or managed environments. Microsoft has acknowledged the issue but has not yet released a permanent fix. What’s Happening Affected Versions: Windows 11 24H2 and 25H2 after updates like KB5062553 (July 2025) , KB5065789 (September 2025 preview) , and KB5066835 (October 2025) . Symptoms: Taskbar disappears or fails to render. Start Menu won’t open, sometimes showing critical error messages. File Explorer crashes immediately after login. Settings app silently fails to launch. Users may log into a blank desktop with no usable interface. Cause: A race condition during login prevents key XAML interface packages (MicrosoftWindows.Client.CBS, Microsoft.UI.Xaml.CBS, MicrosoftWindows.Client.Core) from registering in time. Since these packages are required for the Wind...